CN110256270A - Double base curing and anticorrosive paint Hydroxylated acrylic resin and its preparation method and application - Google Patents
Double base curing and anticorrosive paint Hydroxylated acrylic resin and its preparation method and application Download PDFInfo
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- CN110256270A CN110256270A CN201910584226.3A CN201910584226A CN110256270A CN 110256270 A CN110256270 A CN 110256270A CN 201910584226 A CN201910584226 A CN 201910584226A CN 110256270 A CN110256270 A CN 110256270A
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
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- C07C231/08—Preparation of carboxylic acid amides from amides by reaction at nitrogen atoms of carboxamide groups
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C233/02—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
- C07C233/09—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
- C07C233/90—Carboxylic acid amides having nitrogen atoms of carboxamide groups further acylated
- C07C233/92—Carboxylic acid amides having nitrogen atoms of carboxamide groups further acylated with at least one carbon atom of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/12—Monomers containing a branched unsaturated aliphatic radical or a ring substituted by an alkyl radical
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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Abstract
The present invention relates to Polymer Synthesizing fields.A kind of double base curing and anticorrosive paint Hydroxylated acrylic resin, is prepared by the component of following parts by weight: 6-8 parts of response type intermediate monomer；20-25 parts of butyl acetate；10-15 parts of propylene glycol methyl ether acetate；(methyl) hydroxy-ethyl acrylate or 8-15 parts of hydroxypropyl acrylate；20-25 parts of (methyl) styrene monomer；15-25 parts of (methyl) acrylate monomer；1-5 parts of (methyl) acrylic monomers；0.01-0.02 parts of dibutyl tin dilaurate；3-6 parts of radical polymerization initiator.The invention further relates to preparation method and methods for using thems, applied to the double base curing and anticorrosive paint with color inhibition Isocyanates curing agent compatibility, improve traditional conventional urethane system to moisture moisture-sensitive, low temperature drying is slow, construction efficiency is low, and when use needs to add catalyst, the unstable problem of material property, it can make paint film that there is excellent physicochemical property simultaneously, further the performances such as the waterproof, anti-corrosion of promotion paint film, wear-resisting.
Description
Technical field
The present invention relates to Polymer Synthesizing fields, and in particular to a kind of double base curing and anticorrosive paint Hydroxylated acrylic resin and
Preparation method and application.
Background technique
Hydroxylated acrylic resin collocation color inhibition Isocyanates curing agent, applies for industrial dual-component polyurethane anti-corrosion
Material, the two-pack polyurethane preservative coating of this type, operation proportion it is cumbersome, easy to foaming in case of wet, low temperature drying is slow, waterproof, anti-corrosion,
The disadvantages of wearability is insufficient always affects it and further develops.In dual-component polyurethane system, the reaction of hydroxyl group is living
Property it is lower, when construction, is influenced by factors such as environment temperature, humidity, in order to improve rate of drying, it is necessary to extra catalyst, but outer
Add catalyst to be also catalyzed isocyanates while being catalyzed hydroxyl and reacting with isocyanates to react with water, generates carbon dioxide
Gas causes material property sharply to decline.
For conventional urethane system to moisture, moisture-sensitive, low temperature drying is slow, and using effect is unsatisfactory.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of Hydroxylated acrylic resins of double base curing and anticorrosive paint, change
Kind tradition conventional urethane system is to moisture moisture-sensitive, and low temperature drying is slow, and construction efficiency is low, and when use needs to add catalysis
Agent, the unstable problem of material property, while can make paint film that there is excellent physicochemical property, further promote the anti-of paint film
The performances such as water, anti-corrosion, wear-resisting.
Technical scheme is as follows:
A kind of preparation method of response type intermediate monomer, includes the following steps, following components in parts by weight:
S1. by 150-250 parts of organic solvents, 400-600 parts of ethylenimine compound investment reaction kettles, lead to nitrogen, be warming up to 60
℃-80℃；
S2. being added 100-200 parts has unitary machine acid, and temperature is controlled at 60 DEG C -80 DEG C, reacted 1-2 hours；
S3. after detection acid value is qualified, 0.1-0.2 parts of polymerization inhibitors is added, are uniformly dissolved；
S4. 50-150 parts of (methyl) acrylic monomers are added dropwise, time for adding is 1-2 hours, and the temperature in reaction kettle is controlled in 60-
80℃；
S5. after being added dropwise, cooling discharge after detection acid value is qualified.
Further, the organic solvent is one or more of ethyl acetate, butyl acetate, acetone, butanone；It is described
(methyl) acrylic monomers is one or both of methacrylic acid, acrylic acid；The ethylenimine compound is 2- methyl nitrogen
One or more of third pyridine, aziridine, trifunctional aziridine crosslinker；The organic acid is benzoic acid, 2- ethyl
One or more of caproic acid, lauric acid, isononanoic acid composition；The polymerization inhibitor is hydroquinone, one in p-hydroxyanisole
Kind is several.
A kind of response type intermediate monomer that the preparation method of the response type intermediate monomer according to is prepared.
A kind of double base curing and anticorrosive paint Hydroxylated acrylic resin, is prepared: right by the component of following parts by weight
It is required that 6-8 parts of response type intermediate monomer described in 3；20-25 parts of butyl acetate；10-15 parts of propylene glycol methyl ether acetate；(first
Base) hydroxy-ethyl acrylate or 8-15 parts of hydroxypropyl acrylate；20-25 parts of (methyl) styrene monomer；(methyl) acrylate list
15-25 parts of body；1-5 parts of (methyl) acrylic monomers；0.01-0.02 parts of dibutyl tin dilaurate；Radical polymerization initiator
3-6 parts.
Further, described (methyl) acrylic monomers is one or both of methacrylic acid, acrylic acid；It is described
(methyl) acrylate monomer is the secondary butyl ester of methacrylic acid, in isobornyl methacrylate, Tert-butyl Methacrylate
It is one or more of；(methyl) styrene monomer is one or both of styrene, α-methylstyrene.
A kind of preparation method of the double base curing and anticorrosive paint Hydroxylated acrylic resin, comprising the following steps:
S1. by butyl acetate and propylene glycol methyl ether acetate investment reaction kettle, 130 DEG C -150 DEG C are warming up to；
S2. dropwise reaction type intermediate monomer, (methyl) hydroxy-ethyl acrylate or (methyl) hydroxypropyl acrylate, (methyl) benzene second
Alkene monomer, (methyl) acrylic monomers, (methyl) acrylate monomer and radical polymerization initiator, time for adding are that 3-4 is small
When, the temperature in reaction kettle is controlled at 130 DEG C -150 DEG C；
S3. after being added dropwise, 130 DEG C -150 DEG C at a temperature of keep the temperature 2.0-3.0 hours；
S4. radical polymerization initiator, then insulation reaction 3.0-4.0 hours are added；
S5. it is cooled to 75-80 DEG C, dibutyl tin dilaurate is added, product is obtained by filtration after mixing evenly.
A kind of double base curing and anticorrosive paint, including following parts by weight component: the double base curing and anticorrosive paint hydroxyl third
70-80 parts of olefin(e) acid resin；0.4-0.6 parts of levelling agent；0.01 ~ 0.03 part of dibutyl tin dilaurate；15 parts of dimethylbenzene 10-；
10-15 parts of butyl acetate.
Further, the levelling agent is one or both of BYK306 levelling agent, BYK358N levelling agent.
A kind of preparation method of the double base curing and anticorrosive paint, comprising the following steps:
S1. double base curing and anticorrosive paint Hydroxylated acrylic resin, dimethylbenzene, butyl acetate are added to the container, 500 ~ 800 turns/
Minute stirring 5 minutes；
S2. be added levelling agent, dibutyl tin dilaurate, 1000 ~ 1200 revs/min high-speed stirred 20 minutes.
A kind of application of the double base curing and anticorrosive paint, being applied to arrange in pairs or groups with color inhibition isocyanate curing agent solidifies.
The invention has the following beneficial effects:
The response type intermediate monomer that the present invention uses holds amido as active hydrogen component containing amine compound component, with
The reactivity of isocyanate component is high, without extra catalyst, reaction can be rapidly completed and form polyureas；Amido is deposited
Also it can further be catalyzed and the cross-linking reaction of hydroxyl group and isocyanate component is accelerated to form polyurethane, to reach quick
Double base solidification；It is big to react the polyureas group polarity formed, more Hyarogen-bondings can be formed intermolecular, can made double
The paint film of first curing and anticorrosive paint has excellent physicochemical property, improves the performances such as the waterproof, anti-corrosion, wear-resisting, salt spray resistance of paint film.
Hydroxylated acrylic resin of the invention is by the response type intermediate monomer containing copolymerizable vinyl double bond, with (first
Base) acrylic monomers, and (methyl) acrylic monomers carry out it is free-radical polymerized be prepared, contain dihydroxy or polyhydroxy group
And two amido or more amine groups, after color inhibition Isocyanates curing agent of arranging in pairs or groups, cross-linking reaction, which is formed, has polyureas knot
The double base curing system of structure and polyurethane structural improves paint film rate of drying, and then improving production efficiency；It is bigger to introduce polarity
Urea groups, form the higher hydrogen bond of more bond energys, improve the waterproof, anti-corrosion and wearability of paint film；It is urged when use without addition
Agent, it is ensured that the stabilization of material property reduces the disadvantages such as curved surface, facade spraying sagging.
Specific embodiment
The present invention will now be described in detail with reference to examples, and the examples are only preferred embodiments of the present invention,
It is not limitation of the invention.
1. response type intermediate monomer
3 response type intermediate lists used by 3 embodiments of double base curing and anticorrosive paint Hydroxylated acrylic resin of the present invention
Body a, b, c, formula table (unit: parts by weight) are as follows:
3 response type intermediate lists used by 3 embodiments of double base curing and anticorrosive paint Hydroxylated acrylic resin of the present invention
Body a, b, c, preparation method includes the following steps:
S1. by organic solvent, ethylenimine compound investment reaction kettle, lead to nitrogen, be warming up to 60 DEG C -80 DEG C；
S2. organic acid is added, temperature is controlled at 60 DEG C -80 DEG C, reacted 1-2 hours；
S3. after detection acid value is qualified, polymerization inhibitor is added, is uniformly dissolved；
S4. (methyl) acrylate monomer is added dropwise, time for adding is 1-2 hours, and the temperature in reaction kettle is controlled at 60-80 DEG C；
S5. after being added dropwise, cooling discharge after detection acid value is qualified.
Among 3 response types used by 3 embodiments of double base curing and anticorrosive paint Hydroxylated acrylic resin of the present invention
Body monomer a, b, c, physicochemical property are respectively as follows:
Monomer a: appearance: yellow transparent liquid；Solid part: 78.5%；Acid value: < 1；Viscosity: 780cps/25 DEG C；
Monomer b: appearance: yellowish transparency liquid；Solid part: 79.0%；Acid value: < 1；Viscosity: 330cps/25 DEG C；
Monomer c: appearance: yellowish transparency liquid；Solid part: 79.2%；Acid value: < 1；Viscosity: 560cps/25 DEG C；
2. embodiment
3 embodiments of double base curing and anticorrosive paint Hydroxylated acrylic resin of the present invention, formula table (unit: parts by weight) is such as
Under:
3 embodiments of double base curing and anticorrosive paint Hydroxylated acrylic resin of the present invention, preparation method includes the following steps:
S1. by butyl acetate and propylene glycol methyl ether acetate investment reaction kettle, 130 DEG C -150 DEG C are warming up to；
S2. dropwise reaction type intermediate monomer, (methyl) hydroxy-ethyl acrylate or (methyl) hydroxypropyl acrylate, (methyl) benzene second
Alkene monomer, (methyl) acrylic monomers, (methyl) acrylate monomer and radical polymerization initiator, time for adding are that 3-4 is small
When, the temperature in reaction kettle is controlled at 130 DEG C -150 DEG C；
S3. after being added dropwise, 130 DEG C -150 DEG C at a temperature of keep the temperature 2.0-3.0 hours；
S4. radical polymerization initiator, then insulation reaction 3.0-4.0 hours are added；
S5. it is cooled to 75-80 DEG C, dibutyl tin dilaurate is added, product is obtained by filtration after mixing evenly.
3. comparative example
(1) comparative example 1
Common varnish Hydroxylated acrylic resin, is prepared by the component of following parts by weight:
13.5 parts of hydroxypropyl acrylate；
15 parts of butyl acetate；
25 parts of propylene glycol methyl ether acetate；
15 parts of styrene；
10 parts of butyl methacrylate；
4 parts of acrylic acid；
16 parts of methyl methacrylate；
3.5 parts of radical polymerization initiator.
Specific preparation method the following steps are included:
A. by butyl acetate and propylene glycol methyl ether acetate investment reaction kettle, 130 DEG C -150 DEG C are warming up to；
B. hydroxypropyl acrylate, styrene, acrylic acid, methyl methacrylate, butyl methacrylate and radical polymerization is added dropwise
Initiator is closed, time for adding is 3-4 hours, and the temperature in reaction kettle is controlled at 130 DEG C -150 DEG C；
C. after being added dropwise, 130 DEG C -150 DEG C at a temperature of keep the temperature 2.0-3.0 hours；
D. radical polymerization initiator, then insulation reaction 3.0-4.0 hours are added；
E. 80 DEG C are then cooled to hereinafter, product is obtained by filtration after mixing evenly.
(2) comparative example 2
Common varnish Hydroxylated acrylic resin, is prepared by the component of following parts by weight:
13.5 parts of hydroxyethyl methacrylate；
15 parts of butyl acetate；
25 parts of propylene glycol methyl ether acetate；
13 parts of styrene；
18 parts of butyl methacrylate；
4 parts of acrylic acid；
10 parts of methyl methacrylate；
3.5 parts of radical polymerization initiator.
Specific preparation method the following steps are included:
A. by butyl acetate and propylene glycol methyl ether acetate investment reaction kettle, 130 DEG C -150 DEG C are warming up to；
B. hydroxyethyl methacrylate, styrene, acrylic acid, methyl methacrylate, butyl methacrylate and freedom is added dropwise
Base polymerization initiator, time for adding are 3-4 hours, and the temperature in reaction kettle is controlled at 130 DEG C -150 DEG C；
C. after being added dropwise, 130 DEG C -150 DEG C at a temperature of keep the temperature 2.0-3.0 hours；
D. radical polymerization initiator, then insulation reaction 3.0-4.0 hours are added；
E. 80 DEG C are then cooled to hereinafter, product is obtained by filtration after mixing evenly.
4. double base curing and anticorrosive paint
Double base curing and anticorrosive paint is prepared with Hydroxylated acrylic resin prepared by the embodiment of the present invention 1-3 and comparative example 1-2, is made
Standby formula and method are as follows:
Formula:
70-80 parts of Hydroxylated acrylic resin；
0.2 ~ 0.3 part of BYK306 levelling agent；
0.2 ~ 0.3 part of BYK358N levelling agent；
0.01 ~ 0.03 part of dibutyl tin dilaurate；
15 parts of dimethylbenzene；
10 parts of butyl acetate.
It is above parts by weight.
S1. Hydroxylated acrylic resin and solvent xylene, butyl acetate are added to the container, 500 ~ 800 revs/min of stirrings
5 minutes；
S2. BYK306 levelling agent, BYK358N levelling agent, dibutyl tin dilaurate, 1000 ~ 1200 revs/min of high-speed stirrings are added
It mixes 20 minutes.
5. the method for inspection and result
Above-mentioned double base curing and anticorrosive paint, comparative example (common commercial anticorrosive paint) create Desmodur N3390 polyurethane with Cohan respectively
After curing agent compatibility, under the conditions of 25 DEG C of construction temperature, coating survey is carried out by related national standard or industry testing standard test item
Examination, shown in results of property following table:
Anti-corrosion is being made with isocyanate curing agent compatibility in double base curing and anticorrosive paint Hydroxylated acrylic resin prepared by the present invention
Varnish, paint film rise outside fast basic performance in addition to having fast drying, hardness, also have salt spray resistance, water resistance, salt water resistance
The excellent feature of the good antiseptic property of property, chemical reagent resistance.
Double base curing and anticorrosive paint of the present invention with Hydroxylated acrylic resin containing dihydroxy or polyhydroxy group and two amidos or
More amine groups, after aliphatic isocyanates class curing agent of arranging in pairs or groups, cross-linking reaction, which is formed, has polyurea structure and polyurethane knot
The double base curing system of structure improves paint film rate of drying, and then improving production efficiency；Introduce the bigger urea groups of polarity, shape
At the higher hydrogen bond of more bond energys, the waterproof, anti-corrosion and wearability of paint film are improved；Without adding catalyst when use, it is ensured that
The stabilization of material property reduces the disadvantages such as curved surface, facade spraying sagging.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as, as long as skill obtained in the form of equivalent substitutions or equivalent transformations
Art scheme should all include within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of preparation method of response type intermediate monomer, which is characterized in that include the following steps, following components is by weight
Number calculates:
S1. by 150-250 parts of organic solvents, 400-600 parts of ethylenimine compound investment reaction kettles, lead to nitrogen, be warming up to 60
℃-80℃；
S2. being added 100-200 parts has unitary machine acid, and temperature is controlled at 60 DEG C -80 DEG C, reacted 1-2 hours；
S3. after detection acid value is qualified, 0.1-0.2 parts of polymerization inhibitors is added, are uniformly dissolved；
S4. 50-150 parts of (methyl) acrylic monomers are added dropwise, time for adding is 1-2 hours, and the temperature in reaction kettle is controlled in 60-
80℃；
S5. after being added dropwise, cooling discharge after detection acid value is qualified.
2. the preparation method of response type intermediate monomer according to claim 1, which is characterized in that the organic solvent is
One or more of ethyl acetate, butyl acetate, acetone, butanone；(methyl) acrylic monomers is methacrylic acid, third
One or both of olefin(e) acid；The ethylenimine compound is 2- methylaziridine, aziridine, trifunctional aziridine crosslinker
One or more of；The organic acid is one or more of benzoic acid, 2 ethyl hexanoic acid, lauric acid, isononanoic acid
Composition；The polymerization inhibitor is one or more of hydroquinone, p-hydroxyanisole.
3. single among a kind of response type that the preparation method of response type intermediate monomer according to claim 1 is prepared
Body.
4. a kind of double base curing and anticorrosive paint Hydroxylated acrylic resin, which is characterized in that prepared by the component of following parts by weight
It forms: 6-8 parts of response type intermediate monomer as claimed in claim 3；20-25 parts of butyl acetate；Propylene glycol methyl ether acetate 10-
15 parts；(methyl) hydroxy-ethyl acrylate or 8-15 parts of (methyl) hydroxypropyl acrylate；20-25 parts of (methyl) styrene monomer；(first
Base) 15-25 parts of acrylate monomer；1-5 parts of (methyl) acrylic acid；0.01-0.02 parts of dibutyl tin dilaurate；Free radical
3-6 parts of polymerization initiator.
5. double base curing and anticorrosive paint Hydroxylated acrylic resin according to claim 4, which is characterized in that (methyl)
Acrylic monomers is one or both of methacrylic acid, acrylic acid；(methyl) acrylate monomer is metering system
One or more of the secondary butyl ester of acid, isobornyl methacrylate, Tert-butyl Methacrylate, (methyl) the styrene list
Body is one or both of styrene, α-methylstyrene.
6. a kind of preparation method of double base curing and anticorrosive paint Hydroxylated acrylic resin as claimed in claim 4, including following step
It is rapid:
S1. by butyl acetate and propylene glycol methyl ether acetate investment reaction kettle, 130 DEG C -150 DEG C are warming up to；
S2. dropwise reaction type intermediate monomer, (methyl) styrene monomer, (methyl) hydroxy-ethyl acrylate or (methyl) acrylic acid
Hydroxypropyl acrylate, (methyl) acrylic monomers, (methyl) acrylate monomer and radical polymerization initiator, time for adding are that 3-4 is small
When, the temperature in reaction kettle is controlled at 130 DEG C -150 DEG C；
S3. after being added dropwise, 130 DEG C -150 DEG C at a temperature of keep the temperature 2.0-3.0 hours；
S4. radical polymerization initiator, then insulation reaction 3.0-4.0 hours are added；
S5. it is cooled to 75-80 DEG C, dibutyl tin dilaurate is added, product is obtained by filtration after mixing evenly.
7. a kind of double base curing and anticorrosive paint, which is characterized in that including following parts by weight component: the double base that claim 4 is stated is solid
Change anti-decaying paint with 70-80 parts of Hydroxylated acrylic resin；0.4-0.6 parts of levelling agent；0.01 ~ 0.03 part of dibutyl tin dilaurate；
15 parts of dimethylbenzene 10-；10-15 parts of butyl acetate.
8. double curing and anticorrosive paints according to claim 7, which is characterized in that the levelling agent be BYK306 levelling agent,
One or both of BYK358N levelling agent.
9. a kind of preparation method of double base curing and anticorrosive paint as claimed in claim 7, which comprises the following steps:
S1. double base curing and anticorrosive paint Hydroxylated acrylic resin, dimethylbenzene, butyl acetate are added to the container, 500 ~ 800 turns/
Minute stirring 5 minutes；
S2. be added levelling agent, dibutyl tin dilaurate, 1000 ~ 1200 revs/min high-speed stirred 20 minutes.
10. a kind of application of double base curing and anticorrosive paint as claimed in claim 7, takes applied to color inhibition isocyanate curing agent
With solidification.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910584226.3A CN110256270A (en) | 2019-07-01 | 2019-07-01 | Double base curing and anticorrosive paint Hydroxylated acrylic resin and its preparation method and application |
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| CN201910584226.3A CN110256270A (en) | 2019-07-01 | 2019-07-01 | Double base curing and anticorrosive paint Hydroxylated acrylic resin and its preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112708321A (en) * | 2020-12-27 | 2021-04-27 | 山东齐鲁漆业有限公司 | Modified acrylic resin finish paint for railway building materials and preparation method thereof |
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| US5185461A (en) * | 1990-09-20 | 1993-02-09 | Nippon Shokubai Co., Ltd. | Process for preparing 2-aminoethyl esters of methacrylic acid |
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| US5185461A (en) * | 1990-09-20 | 1993-02-09 | Nippon Shokubai Co., Ltd. | Process for preparing 2-aminoethyl esters of methacrylic acid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112708321A (en) * | 2020-12-27 | 2021-04-27 | 山东齐鲁漆业有限公司 | Modified acrylic resin finish paint for railway building materials and preparation method thereof |
| CN112708321B (en) * | 2020-12-27 | 2022-04-05 | 山东齐鲁漆业有限公司 | Modified acrylic resin finish paint for railway building materials and preparation method thereof |
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